On packing densities of permutations. Albert, M.H.; Atkinson, M.D.; Handley, C.C.; Holton, D.A.; Stromquist, W. — 2002 The Electronic Journal of Combinatorics [electronic only]
Sorting classes. Albert, M.H.; Aldred, R.E.L.; Atkinson, M.D.; Handley, C.C.; Holton, D.A.; McCaughan, D.J.; van Ditmarsch, H. — 2005 The Electronic Journal of Combinatorics [electronic only]
On infinite tournaments with regular automorphism groups. D.A. Holton; Mark E. Watkins — 1981 Aequationes mathematicae